======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '234'
                                          'artist'  'Paula Lima'
                                     'text_people'  ''
                                         'release'  'Paula Lima'
                                           'title'  'Valera a Pena'
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-3', 'Q-JZFKS-3', "
 "'Q-UNU-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['brasil', 'mpb', 'soul', 'funk', 'brazilian']"
                                     'discogstags'  "['latin']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'loc-samerica-brazil'
                                             'bpm'  '139.754'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Paula Lima'
'TBPM' (BPM (beats per minute))                     '139.754'
'TCON' (Content type, a.k.a. Genre)                 'loc-samerica-brazil'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Valera a Pena'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Paula Lima'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'latin'
'TXXX:lastfmtags'                                   ['brasil', 'mpb', 'soul', 'funk', 'brazilian']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.29 dB'
'TXXX:replaygain_track_peak'                        '0.734721'

========================== row from database ==========================
                                              'id'  1384165
                                            'path'  /data/Music/Bulk/0soundtrack/Negrocan - brazilectro/Paula Lima - Valerá A Pena.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  234
                                           'genre'  loc-samerica-brazil
                                        'filesize'  5640108
                                           'mtime'  1621630373
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Negrocan brazilectro Valerá A loc samerica brazil
                                      'tag_artist'  Paula Lima
                                     'tag_release'  Paula Lima
                                       'tag_title'  Valera a Pena
                                             'bpm'  139.754
                                    'search_title'  'a':2 'pena':3 'valera':1
                                   'search_artist'  'lima':2 'paula':1
                                  'search_release'  'lima':2 'paula':1
                                     'search_rest'  '0soundtrack':1 'a':6 'brazil':9 'brazilectro':3 'loc':7 'negrocan':2 'samerica':8 'valera':4,5
                                    'search_combo'  '0soundtrack':8 'a':2A,13 'brazil':16 'brazilectro':10 'lima':5B,7C 'loc':14 'negrocan':9 'paula':4B,6C 'pena':3A 'samerica':15 'valera':1A,11,12
                                    'tag_tracknum'  11
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['brasil', 'mpb', 'soul', 'funk', 'brazilian']
                                        'tag_date'  2003
                                     'discogstags'  ['latin']

============================== file details ==============================
                                           'mtime'  1621630373.2643697  (2021-05-21 22:52:53)
                             'size'  5640108